M src/hex.c → src/hex.c

@@ -704,10 +704,11 @@ }
         return item;
     }
 
-    hex_item_t *item = ctx->stack->entries[ctx->stack->top];
+    hex_item_t *orig_item = ctx->stack->entries[ctx->stack->top];
     ctx->stack->entries[ctx->stack->top] = NULL; // Clear the stack reference
     ctx->stack->top--;
 
+    hex_item_t *item = hex_copy_item(ctx, orig_item);
     hex_debug_item(ctx, " POP", item);
     return item;
 }

M src/stack.c → src/stack.c

@@ -271,10 +271,12 @@ }
         return item;
     }
 
-    hex_item_t *item = ctx->stack->entries[ctx->stack->top];
+    hex_item_t *orig_item = ctx->stack->entries[ctx->stack->top];
     ctx->stack->entries[ctx->stack->top] = NULL; // Clear the stack reference
     ctx->stack->top--;
 
+    // Copying the item to avoid ownership issues when freeing
+    hex_item_t *item = hex_copy_item(ctx, orig_item);
     hex_debug_item(ctx, " POP", item);
     return item;
 }